Categories of babies who should not drink breast milk

　　For example, some people with congenital disease of baby For example, babies with phenylketonuria lack phenylalanine hydroxylase in their bodies, which cannot convert phenylalanine into tyrosine, resulting in the accumulation of phenylalanine in the body, which can seriously interfere with brain tissue metabolism and cause dysfunction. As a result, such children often present with mental retardation, hair and hair loss after birth. skin loss of pigment, clinical Hair may turn yellow, and urine and sweat may smell musty or rat urine. Therefore, once the diagnosis is confirmed, children should avoid dietary intake of phenylalanine. Although the content of phenylalanine in breast milk is significantly lower than that in cow's milk, it is better for these infants not to eat breast milk or only eat a small amount of breast milk. They should usually consume special milk powder that does not contain phenylalanine or hydrolyzed protein with low phenylalanine, supplemented by milk cakes, rice noodles, vegetables, etc., and the concentration of phenylalanine in the infant's blood should be frequently tested. There is also a disease called lactose intolerance. It is caused by the lack of lactase in children, which causes lactose to be unable to be digested and absorbed by the body. Clinically, it often manifests as symptoms after the baby eats breast milk or cow's milk. diarrhea Since long-term diarrhea not only directly affects the growth and development of infants, but can also cause low immunity and lead to repeated infections, infants suffering from special diseases should also suspend the feeding of breast milk or other dairy products and replace them with lactose-free formula milk powder or soy formula milk. As for mothers suffering from certain diseases, such as tuberculosis, mental illness , malignant tumors, etc., their babies should not eat breast milk.

　　Of course, babies who are not suitable for breastfeeding are only a very rare clinical phenomenon. For the vast majority of normal babies, breastfeeding should still be advocated.